List of Publications

2008

  1. Zinc-Catalyzed Cycloisomerizations. Synthesis of Substituted Furans and Furopyrimidine Nucleosides.
    A. Sniady, A. Durham, M. S. Morreale, A. Marcinek, S. Szafert, T. Lis, K. R. Brzezinska, T. Iwasaki, T. Ohshima, K. Mashima, R. Dembinski
    J. Org. Chem., 73, 5581-5589 (2008)
  2. Transesterification of Various Methyl Esters Under Mild Conditions Catalyzed by Tetranuclear Zinc Cluster
    T. Iwasaki, Y. Maegawa, Y. Hayashi, T. Ohshima, K. Mashima
    J. Org. Chem., 73, 5147-5150 (2008)
  3. Stepwise Synthesis of Iridium(III) Complexes with Imdazolium-based Carbene Ligands.
    C.-H. Chien, S. Fujita, S. Yamoto, T. Hara, T. Yamagata, M. Watanabe, and K. Mashima
    Dalton Trans., 916-923 (2008)
  4. Enzyme-Like Chemoselective Acylation of Alcohols in the Presence of Amines Catalyzed by a Tetranuclear Zinc Cluster.
    T. Ohshima, T. Iwasaki, Y. Maegawa, A. Yoshiyama, and K. Mashima
    J. Am. Chem. Soc., 130, 2944-2945 (2008)
  5. Highly s-trans or s-cis Selective Catalytic Asymmetric Hydrogenation of Piperitenone: Alternative Practical Synthesis of (-)-Menthol.
    T. Ohshima, H. Tadaoka, K. Hori, N. Sayo, and K. Mashima
    Chem. Eur. J., 14, 2060-2066 (2008).

2007

  1. Novel Ir-SYNPHOS® and Ir-DIFLUORPHOS® Catalysts for Asymmetric Hydrogenation of Quinolines.
    C. Deport, M. Buchotte, K. Abecassis, H. Tadaoka, T. Ayad, T. Ohshima, J.-P. Genet, K. Mashima, and V. Ratovelomanana-Vidal
    Synth. Lett., 2743-2747 (2007).
  2. Benzylation of α-Diimine Ligands Bound to Zirconium and Hafnium. A New Convenient Route to Olefin Polymerization Catalysts.
    K. Mashima, R. Ohnishi, T. Yamagata, and H. Tsurugi
    Chem. Lett., 36, 1420-1421 (2007).
  3. Linear Metal-Metal Bonded Tetranuclear M-Mo-Mo-M Complexes (M = Ir and Rh): Oxidative Metal-Metal Bond Formation in a Tetrametallic System and 1,4-Addition Reaction of Alkyl Halides.
    M. Ohashi, A. Shima, T. Rueffer, and K. Mashima
    Inorg. Chem., 46 (16), 6702-6714 (2007).
  4. Preferential Geometry and Reactivity of Neutral Iridium(III) and Rhodium(III) Complexes Having the PN Heterochelate Flexible Ligand.
    T. Hara, T. Yamagata, K. Mashima, and Y. Kataoka
    Organometallics, 26, 110-118 (2007).
  5. Formation of Dative Bond between Pt(0) and Mo(II) in Linear Pt(0)-Mo(II)-Mo(II)-Pt(0) Complexes, Mo(II)2Pt(0)2(pyphos)4(PR3)2, and Unique 1,4-Oxidative Addition Reaction of Diaryl Disulfides Giving Mo(II)2Pt(I)2(pyphos)4(SAr)2 (pyphos = 6-Diphenylphsphino-2-pyridonato).
    K. Mashima, Y. Simoyama, Y. Kusumi, A. Fukumoto, T. Yamagata, M. Ohashi
    Eur. J. Inorg. Chem., 235-238 (2007).
  6. Tetraplatinum Precursors for Supramolecular Assemblies: Regioselective Syntheses, Crystal Structures, and Self-assemblies of [Pt4(μ-OCOCH3)6(μ-Ar NCHNAr)2] and [Pt4(μ-OCOCH3)6 (κ4-N4-DArBp)] (DArBp = 1,3-bis(arylbenzamidinate) propane).
    M. Ohashi, A. Yagyu, T. Yamagata, and K. Mashima
    Chem. Commun., 3103-3105 (2007).
  7. Direct Use of Allyl Alcohols for Platiunm-Catalyzed Monoallylation of Amines.
    M. Utsunomiya, Y. Miyamoto, J. Ipposhi, T. Ohshima, and K. Mashima
    Org. Lett., 9, 3371-3374 (2007).
  8. Olefin Polymerization Catalyst Derived by Activation of a Neutral Monoalkyl Titanium Complex with an Aminopyrrole Ligand using Triisobutylaluminum and Trityl Borate.
    T. Yasumoto, T. Yamagata, and K. Mashima
    Chem. Lett., 36, 1030-1031 (2007).
  9. Synthesis and characterization of titanium alkyl, oxo, and diene complexes bearing a SiMe2-bridged phenoxy-cyclopentadienyl ligand and their catalytic performance for copolymerization of ethylene and 1-hexene.
    H. Hanaoka, T. Hino, M. Nabika, T. Kohno, K. Yanagi, Y. Oda, A. Imai, and K. Mashima
    J. Organomet. Chem., special issue for Prof. Erker , 692, 4717-4724 (2007).

2006

  1. Oxidative Addition of RCO2H and HX to Chiral Diphosphine Complexes of Iridium(I): Convenient Synthesis of Mononuclear Halo-carboxylato-iridium(III) Complexes and Cationic Dinuclear Halogen-triply-bridged Iridium(III) Complexes and Their Catalytic Performance for Asymmetric Hydrogenation of Cyclic Imines and 2-Phenylquinoline.
    T. Yamagata, H. Tadaoka, M. Nagata, T. Hirao, Y. Kataoka, V. Ratovelomanana-Vidal, J. P. Genet, and K. Mashima
    Organometallics, 25, 2505-2513 (2006).
  2. Synthesis and Characterization of Homoenolate Complexes of Tantalum and Tungstenum.
    H. Tsurugi, T. Ohno, and K. Mashima
    Organometallics, 25, 3179-3189 (2006)
  3. Direct Conversion of Esters, Lactones, and Carboxylic Acids to Oxazolines Catalyzed by Tetranuclear Zinc Cluster.
    T. Ohshima, T. Iwasaki, and K. Mashima
    Chem. Commun., 2711-2713 (2006).
  4. Preparation and Characterization of Iminopyrrolyl Hafnium Complexes as Catalyst Precursors for a-Olefin Polymerization.
    H. Tsurugi, Y. Matsuo, and K. Mashima
    J. Mol. Catal. A.: Chem., 254, 131-137 (2006).
  5. Hexapalladium Cluster: Unique Cluster Construction Reaction of Cyclic Pd3(CNC6H3Me2-2,6)6 and Linear [Pd3(CNC6H3Me2-2,6)8]2+.
    M. Ohashi, J.-J. Yi, D. Shimizu, T. Yamagata, T. Ohshima, and K. Mashima
    J. Organometal. Chem., 691, 2457-2464 (2006).
  6. Modification of the n-Si(111) Surface with Alkyl Chains Having the Terminal C=C Double Bond.
    M. Ohashi, S. Takabayashi, K. Mashima, and Y. Nakato
    Chem. Lett., 35, 956-957 (2006).
  7. Metathesis Approach to Linkage of Two Tetraplatinum Cluster Units: Synthesis, Characterization, and Dimerization of Pt4(μ-OCOCH3)7[μ-OCO(CH2)nCH=CH2] (n = 0, 3).
    M. Ohashi, A. Yagyu, and K. Mashima
    Chem. Lett., 35, 954-955 (2006).
  8. Hafnocene Catalysts for Selective Propylene Oligomerization: Efficient Synthesis of 4-Methyl-1-pentene by b-Methyl Transfer.
    Y. Suzuki, T. Yasumoto, K. Mashima, and J. Okuda
    J. Am. Chem. Soc., 128, 13017-13025 (2006).
  9. Preparation and Characterization of a Zwitterionic (Iminopyrrolyl)zirconium Complex with Benzylaluminate Anion and Its Catalytic Performance for 1-Hexene Polymerization.
    K. Tsurugi and K. Mashima
    Organometallics, 25, 5210-5212 (2006).
  10. Tantalum Organometallics.
    K. Mashima
    Comprehensive Organometallic Chemistry-III, 5, 101-200 (2006).
  11. Unique Preferential Conformation and Movement of RuCp*Cl Fragment(s) Coordinated in an η4-s-cis Fashion to All Diene Unit(s) of α,ω-Diphenylpolyenes.
    H. Fukumoto and K. Mashima
    Eur. J. Inorg. Chem., 5006-5011 (2006).
  12. Surface Modification and Photoelectronic Characteristics of the n-Si(111) Electrodes with Brominated and Sulfonylated Alkyl Chains.
    M. Ohashi, Y. Nakato, and K. Mashima
    Chem. Lett., 35, 1360-1361 (2006).
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